package com.ruoyi.web.util;
import org.activiti.bpmn.model.AssociationDirection;
import org.activiti.bpmn.model.GraphicInfo;
import org.activiti.engine.ActivitiException;
import org.activiti.image.exception.ActivitiImageException;
import org.activiti.image.util.ReflectUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.font.FontRenderContext;
import java.awt.font.LineBreakMeasurer;
import java.awt.font.TextAttribute;
import java.awt.font.TextLayout;
import java.awt.geom.*;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.text.AttributedCharacterIterator;
import java.text.AttributedString;
import java.util.ArrayList;
import java.util.List;
/**
* Represents a canvas on which BPMN 2.0 constructs can be drawn. Some of the icons used are licensed under a Creative Commons Attribution 2.5 License, see
* http://www.famfamfam.com/lab/icons/silk/
*
* @author Joram Barrez
*/
public class CustomProcessDiagramCanvas {
protected static final Logger LOGGER = LoggerFactory.getLogger(CustomProcessDiagramCanvas.class);
public enum SHAPE_TYPE {
Rectangle, Rhombus, Ellipse
}
// Predefined sized
protected static final int ARROW_WIDTH = 5;
protected static final int CONDITIONAL_INDICATOR_WIDTH = 16;
protected static final int DEFAULT_INDICATOR_WIDTH = 10;
protected static final int MARKER_WIDTH = 12;
protected static final int FONT_SIZE = 11;
protected static final int FONT_SPACING = 2;
protected static final int TEXT_PADDING = 3;
protected static final int ANNOTATION_TEXT_PADDING = 7;
protected static final int LINE_HEIGHT = FONT_SIZE + FONT_SPACING;
// Colors
protected static Color TASK_BOX_COLOR = new Color(249, 249, 249);
protected static Color SUBPROCESS_BOX_COLOR = new Color(255, 255, 255);
protected static Color EVENT_COLOR = new Color(255, 255, 255);
protected static Color CONNECTION_COLOR = new Color(88, 88, 88);
protected static Color CONDITIONAL_INDICATOR_COLOR = new Color(255, 255, 255);
// protected static Color HIGHLIGHT_COLOR = Color.RED;
protected static Color HIGHLIGHT_COLOR = Color.GREEN;
protected static Color LABEL_COLOR = new Color(112, 146, 190);
protected static Color TASK_BORDER_COLOR = new Color(187, 187, 187);
protected static Color EVENT_BORDER_COLOR = new Color(88, 88, 88);
protected static Color SUBPROCESS_BORDER_COLOR = new Color(0, 0, 0);
// Fonts
protected static Font LABEL_FONT = null;
protected static Font ANNOTATION_FONT = new Font("Arial", Font.PLAIN, FONT_SIZE);
protected static Font TASK_FONT = new Font("Arial", Font.PLAIN, FONT_SIZE);
// Strokes
protected static Stroke THICK_TASK_BORDER_STROKE = new BasicStroke(3.0f);
protected static Stroke GATEWAY_TYPE_STROKE = new BasicStroke(3.0f);
protected static Stroke END_EVENT_STROKE = new BasicStroke(3.0f);
protected static Stroke MULTI_INSTANCE_STROKE = new BasicStroke(1.3f);
protected static Stroke EVENT_SUBPROCESS_STROKE = new BasicStroke(1.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 1.0f, new float[] { 1.0f }, 0.0f);
protected static Stroke NON_INTERRUPTING_EVENT_STROKE = new BasicStroke(1.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 1.0f, new float[] { 4.0f, 3.0f }, 0.0f);
protected static Stroke HIGHLIGHT_FLOW_STROKE = new BasicStroke(1.3f);
protected static Stroke ANNOTATION_STROKE = new BasicStroke(2.0f);
protected static Stroke ASSOCIATION_STROKE = new BasicStroke(2.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 1.0f, new float[] { 2.0f, 2.0f }, 0.0f);
// icons
protected static int ICON_PADDING = 5;
protected static BufferedImage USERTASK_IMAGE;
protected static BufferedImage SCRIPTTASK_IMAGE;
protected static BufferedImage SERVICETASK_IMAGE;
protected static BufferedImage RECEIVETASK_IMAGE;
protected static BufferedImage SENDTASK_IMAGE;
protected static BufferedImage MANUALTASK_IMAGE;
protected static BufferedImage BUSINESS_RULE_TASK_IMAGE;
protected static BufferedImage SHELL_TASK_IMAGE;
protected static BufferedImage MULE_TASK_IMAGE;
protected static BufferedImage CAMEL_TASK_IMAGE;
protected static BufferedImage TIMER_IMAGE;
protected static BufferedImage COMPENSATE_THROW_IMAGE;
protected static BufferedImage COMPENSATE_CATCH_IMAGE;
protected static BufferedImage ERROR_THROW_IMAGE;
protected static BufferedImage ERROR_CATCH_IMAGE;
protected static BufferedImage MESSAGE_THROW_IMAGE;
protected static BufferedImage MESSAGE_CATCH_IMAGE;
protected static BufferedImage SIGNAL_CATCH_IMAGE;
protected static BufferedImage SIGNAL_THROW_IMAGE;
protected int canvasWidth = -1;
protected int canvasHeight = -1;
protected int minX = -1;
protected int minY = -1;
protected BufferedImage processDiagram;
protected Graphics2D g;
protected FontMetrics fontMetrics;
protected boolean closed;
protected ClassLoader customClassLoader;
protected String activityFontName = "Arial";
protected String labelFontName = "Arial";
/**
* Creates an empty canvas with given width and height. Allows to specify minimal boundaries on the left and upper side of the canvas. This is useful for diagrams that have
* white space there. Everything beneath these minimum values will be cropped. It's also possible to pass a specific font name and a class loader for the icon images.
*/
public CustomProcessDiagramCanvas(int width, int height, int minX, int minY, String imageType, String activityFontName, String labelFontName, ClassLoader customClassLoader) {
this.canvasWidth = width;
this.canvasHeight = height;
this.minX = minX;
this.minY = minY;
if (activityFontName != null) {
this.activityFontName = activityFontName;
}
if (labelFontName != null) {
this.labelFontName = labelFontName;
}
this.customClassLoader = customClassLoader;
initialize(imageType);
}
/**
* Creates an empty canvas with given width and height. Allows to specify minimal boundaries on the left and upper side of the canvas. This is useful for diagrams that have
* white space there (eg Signavio). Everything beneath these minimum values will be cropped.
*
* @param minX
* Hint that will be used when generating the image. Parts that fall below minX on the horizontal scale will be cropped.
* @param minY
* Hint that will be used when generating the image. Parts that fall below minX on the horizontal scale will be cropped.
*/
public CustomProcessDiagramCanvas(int width, int height, int minX, int minY, String imageType) {
this.canvasWidth = width;
this.canvasHeight = height;
this.minX = minX;
this.minY = minY;
initialize(imageType);
}
public void initialize(String imageType) {
if ("png".equalsIgnoreCase(imageType)) {
this.processDiagram = new BufferedImage(canvasWidth, canvasHeight, BufferedImage.TYPE_INT_ARGB);
} else {
this.processDiagram = new BufferedImage(canvasWidth, canvasHeight, BufferedImage.TYPE_INT_RGB);
}
this.g = processDiagram.createGraphics();
if ("png".equalsIgnoreCase(imageType) == false) {
this.g.setBackground(new Color(255, 255, 255, 0))
RuoYi-activitiRuoYi-activitiRuoYi-activiti （2292个子文件） 
purchase.bpmn 16KB purchase.bpmn 16KB leave.bpmn 10KB leave.bpmn 10KB meeting.bpmn 3KB meeting.bpmn 3KB CHANGES 3KB CHANGES 3KB ExcelUtil.class 39KB CustomProcessDiagramCanvas.class 37KB CustomProcessDiagramGenerator.class 25KB DemoTableController.class 17KB FlowMonitorController.class 16KB GenTableServiceImpl.class 15KB Convert.class 13KB HTMLFilter.class 13KB DemoFormController.class 13KB SysUserServiceImpl.class 13KB JSONObject.class 12KB ShiroConfig.class 12KB SysUserController.class 12KB DemoOperateController.class 12KB TaskController.class 11KB GenController.class 11KB FlowController.class 11KB SysMenuServiceImpl.class 11KB ReflectUtils.class 11KB VelocityUtils.class 10KB ModelManageController.class 9KB SysRoleServiceImpl.class 9KB SysRoleController.class 9KB SysUser.class 9KB SysDeptServiceImpl.class 9KB StringUtils.class 9KB LogAspect.class 9KB HttpUtils.class 9KB SysDictTypeServiceImpl.class 8KB ActivitiTracingChart.class 8KB Server.class 8KB LeaveapplyController.class 8KB PurchaseController.class 8KB SysJobController.class 8KB GenTable.class 8KB SysDeptController.class 7KB GenTableColumn.class 7KB DynamicFlowController.class 7KB SysIndexController.class 7KB SysProfileController.class 7KB SysMenuController.class 7KB CommonController.class 6KB SysDictTypeController.class 6KB UserRealm.class 6KB UUID.class 6KB MyBatisConfig.class 6KB MeetingController.class 6KB KickoutSessionFilter.class 6KB ModelController.class 6KB SysOperLog.class 6KB FileUtils.class 6KB OnlineWebSessionManager.class 6KB SysJobServiceImpl.class 6KB FileUploadUtils.class 6KB ScheduleUtils.class 6KB GenUtils.class 6KB SysPostController.class 5KB JobInvokeUtil.class 5KB BaseController.class 5KB SysConfigController.class 5KB SysConfigServiceImpl.class 5KB SysMenu.class 5KB SysRole.class 5KB SysDictDataController.class 5KB SysDictData.class 5KB SysJob.class 5KB DateUtils.class 5KB DruidConfig.class 5KB GlobalExceptionHandler.class 5KB PermissionService.class 5KB SysJobLogController.class 4KB SysDept.class 4KB LeaveapplyServiceImpl.class 4KB CacheUtils.class 4KB ServletUtils.class 4KB PurchaseServiceImpl.class 4KB SysPostServiceImpl.class 4KB DataScopeAspect.class 4KB TestController.class 4KB MeetingServiceImpl.class 4KB DictUtils.class 4KB LogUtils.class 4KB JSON.class 4KB SysLoginService.class 4KB SysUserOnlineController.class 4KB SysOperlogController.class 4KB SysNoticeController.class 4KB SysUserOnlineServiceImpl.class 4KB SysPasswordService.class 4KB OnlineSessionFilter.class 4KB SysLogininforController.class 4KB SpringSessionValidationScheduler.class 4KB共 2292 条
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